MINJA, Mary. Effectiveness of ward education officers’ supervisory roles on enhancing teachers’ work performance in public secondary schools in Arusha District Council, Tanzania. African Journal of Empirical Research, [S. l.], v. 6, n. 4, p. 954–964, 2025. DOI: 10.51867/ajernet.6.4.84. Disponível em: https://ajernet.net/ojs/index.php/ajernet/article/view/1431. Acesso em: 11 jun. 2026.